---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16274 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 648 9755 4 5584 14998 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6c:db:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84578sec preferred_lft 84578sec inet6 fe80::f816:3eff:fe6c:db7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:7c:5a:52:f4:b0 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16274) 12/25/25 _x86_64_ (4 CPU) 00:39:07 LINUX RESTART (4 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 55.09 3.81 45.64 5.64 782.35 5617.71 115163.67 01:00:01 9.50 0.20 8.55 0.76 5.96 1246.16 19842.50 Average: 32.29 2.00 27.09 3.20 394.01 3431.13 67485.61 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 9266252 12726208 3233452 19.75 145188 3458252 3404896 19.54 825280 5902516 1068 01:00:01 9489580 13505244 2450540 14.97 163056 3959452 2761280 15.85 946984 5535576 126092 Average: 9377916 13115726 2841996 17.36 154122 3708852 3083088 17.70 886132 5719046 63580 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 18.38 18.38 3.98 3.98 0.00 0.00 0.00 0.00 00:50:01 ens3 90.10 70.81 887.53 13.39 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 450.27 450.27 396.59 396.59 0.00 0.00 0.00 0.00 01:00:01 ens3 32.68 23.39 265.21 4.70 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 234.40 234.40 200.36 200.36 0.00 0.00 0.00 0.00 Average: ens3 61.38 47.09 576.25 9.04 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16274) 12/25/25 _x86_64_ (4 CPU) 00:39:07 LINUX RESTART (4 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 34.46 0.00 1.56 0.71 0.11 63.16 00:50:01 0 35.43 0.00 1.60 0.66 0.11 62.21 00:50:01 1 33.88 0.00 1.21 0.25 0.11 64.56 00:50:01 2 34.86 0.00 1.85 1.28 0.11 61.90 00:50:01 3 33.66 0.00 1.59 0.67 0.11 63.96 01:00:01 all 21.47 0.00 1.04 0.05 0.07 77.37 01:00:01 0 19.61 0.00 0.95 0.04 0.07 79.33 01:00:01 1 22.35 0.00 1.18 0.02 0.07 76.38 01:00:01 2 22.51 0.00 0.91 0.10 0.07 76.40 01:00:01 3 21.40 0.00 1.13 0.05 0.07 77.35 Average: all 27.96 0.00 1.30 0.38 0.09 70.26 Average: 0 27.52 0.00 1.28 0.35 0.09 70.77 Average: 1 28.12 0.00 1.19 0.13 0.09 70.47 Average: 2 28.68 0.00 1.38 0.69 0.09 69.15 Average: 3 27.54 0.00 1.36 0.36 0.09 70.64